122002202001 has 4 divisors (see below), whose sum is σ = 162669602672. Its totient is φ = 81334801332.

The previous prime is 122002201991. The next prime is 122002202011. The reversal of 122002202001 is 100202200221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100202200221 = 3 ⋅33400733407.

It is an interprime number because it is at equal distance from previous prime (122002201991) and next prime (122002202011).

It is not a de Polignac number, because 122002202001 - 2¹⁹ = 122001677713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122002202011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333700331 + ... + 20333700336.

It is an arithmetic number, because the mean of its divisors is an integer number (40667400668).

Almost surely, 2^122002202001 is an apocalyptic number.

It is an amenable number.

122002202001 is a deficient number, since it is larger than the sum of its proper divisors (40667400671).

122002202001 is an equidigital number, since it uses as much as digits as its factorization.

122002202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40667400670.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122002202001 its reverse (100202200221), we get a palindrome (222204402222).

The spelling of 122002202001 in words is "one hundred twenty-two billion, two million, two hundred two thousand, one".